<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <h3>{{ up }}</h3>
    <h3>{{ down }}</h3>
    静态图片：<br>
    <img src="/static/images/09-41-39-16-34.jpg/">
</body>
</html>